Five. Join the refrigerant lines: Meticulously join the refrigerant lines on the corresponding fittings on the indoor and outside models. Ensure that the connections are tight and leak-free of charge. Avoid bending or kinking the lines in the course of the installation process. 2. Insulate exposed pipes and wiring: Insulate https://sweet-directory.com/listings13029407/the-basic-principles-of-how-to-install-air-conditioners